The embodiment of the invention discloses a device and a method for statistical availability, wherein the device comprises a configuration module for receiving user configuration rules is not available, to subscribe detecting device of each layer network function virtualization and inform the detection device fault alarm trigger condition according to the rules is not available; the calculation module is used for receiving the detecting device reported fault alarm information and fault recovery information, calculation of each layer of the network function virtualization availability; report module, according to the preset period for output availability statistics. By adopting the invention, hierarchical statistics of availability can be carried out in each layer of the network function virtualization system.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。
【技术保护点】
PCT国内申请，权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请，...
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